Finding the Third Proportional to 10,289.25 and 14,785.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,289.25 : 14,785.88 = 14,785.88 : x
2. Step 2: Convert to fraction form
   10,289.25/14,785.88 = 14,785.88/x
3. Step 3: Cross multiply
   10,289.25x = 14,785.88 × 14,785.88
4. Step 4: Simplify right side
   10,289.25x = 218,622,099.52
5. Step 5: Solve for x
   x = 218,622,099.52/10,289.25
6. Step 6: Final answer
   x = 21,247.62